Specification sheet Tier4 certified diesel generator set QSK50 series engine 1500kW 60Hz Description Cummins commercial generator sets are fully integrated power generation systems providing optimum performance, reliability and versatility for stationary Standby, Prime and Continuous duty power applications. Features Cummins heavy-duty engine - Rugged 4-cycle, industrial diesel delivers reliable power, low emissions and fast response to load changes. Alternator - Several alternator sizes offer selectable motor starting capability with low reactance 2/3 pitch windings, low waveform distortion with non-linear loads and fault clearing short-circuit capability. Cummins aftertreatment system - Fully integrated power generation systems that are certified to EPA Tier 4 standards. They provide optimum performance, reliability and versatility for stationary Standby, Prime Power and Continuous duty applications. Permanent Magnet Generator (PMG) - Offers enhanced motor starting and fault clearing shortcircuit capability. Control system - The PowerCommand digital control is standard equipment and provides total genset system integration including automatic remote starting/stopping, precise frequency and voltage regulation, alarm and status message display, AmpSentry protective relay, output metering, autoshutdown at fault detection and NFPA 110 Level 1 compliance. Cooling system - Standard and enhanced integral set-mounted radiator systems, designed and tested for rated ambient temperatures, simplifies facility design requirements for rejected heat. NFPA - The genset accepts full rated load in a single step in accordance with NFPA 110 for Level 1 systems. Warranty and service - Backed by a comprehensive warranty and worldwide distributor network. Standby rating Prime rating Continuous rating Emissions compliance Data sheets kw (kva) kw (kva) kw (kva) EPA DQGAS 1500 (1875) 1365 (1706) 1100 (1375) T4F certified D-3537
Generator set specifications Governor regulation class Voltage regulation, no load to full load +/- 0.5% Random voltage variation +/- 0.5% Frequency regulation ISO8528 Part 1 Class G3 Isochronous Random frequency variation +/- 0.25% Radio frequency emissions compliance IEC 801.2 through IEC 801.5; MIL STD 461C, Part 9 Engine specifications Bore Stroke 159 mm (6.25 in) 159 mm (6.25 in) Displacement 50.3 litres (3067 in 3 ) Configuration Battery capacity Battery charging alternator Starting voltage Fuel system Fuel filter Air cleaner type Lube oil filter type(s) Standard cooling system Aftertreatment specifications Emissions certification Duct diameter Duct quantity 2 Components included Alternator specifications Design Stator Rotor Insulation system Standard temperature rise Exciter type Phase rotation Alternator cooling AC waveform Total Harmonic Distortion (THDV) Telephone Influence Factor (TIF) Cast iron, V 16 cylinder 1800 amps minimum at ambient temperature of 0 C (32 F) 55 amps 24 volt, negative ground Cummins modular common rail system Two stage spin-on fuel filter and water separator system. Stage 1 has a three element 7 micron filter and Stage 2 has a three element 3 micron filter. Dry replaceable element Four spin-on, combination full flow filter and bypass filters High ambient cooling system CA452 Tier4F certified 1143 mm (45 in) Insulated aftertreatment ducts, saddle supports for aftertreatment, control panel, DEF tank, optional heater with ILB, harness from control panel to engine and AFT, lifting tool. Assembly required at site. Brushless, 4 pole, drip proof, revolving field 2/3 pitch Single bearing, flexible disc Class H Telephone Harmonic Factor (THF) < 3% 125 ºC Standby/105 C Prime Permanent Magnet Generator (PMG) A (U), B (V), C (W) Direct drive centrifugal blower fan < 5% no load to full linear load, < 3% for any single harmonic < 50% per NEMA MG1-22.43 Available voltages Line-Neutral/Line-Line 220/380 277/480 240/416 347/600 255/440 2400/4160 Note: Consult factory for other voltages.
Generator set options and accessories Engine 208/240/480 V thermostatically controlled coolant heater for ambient above and below 4.5 C (40 F) Dual 120/208/240/480 V 300 W lube oil heaters Heavy duty air cleaner Triplex fuel filter Alternator 80 C rise 105 C rise 125 C rise 150 C rise 120/240 V 300 W anti-condensation heater Increased motor starting capabilities Control panel PowerCommand 3.3 Multiple language support 120/240 V 100 W control anticondensation heater Exhaust pyrometer Ground fault indication Remote annunciator panel Paralleling relay package Shutdown alarm relay package Audible engine shutdown alarm AC output analog meters (bargraph) Aftertreatment system DEF lines DEF freeze protection kit SCR only configuration SCR w/heater configuration SCR w/heater and DPF Cooling system Remote cooling Enhanced high ambient temperature (50 C) Generator set Battery Battery charger Bottom entry chute Circuit breaker skid mounted up to 3000 Amp Circuit breaker auxiliary and trip contacts IBC and OSHPD seismic certification In-skid AVM LV and MV entrance box Spring isolators 2 year warranty 5 year warranty 10 year major components warranty Note: Some options may not be available on all models - consult factory for availability.
PowerCommand 3.3 control system An integrated microprocessor based generator set control system providing voltage regulation, engine protection, alternator protection, operator interface and isochronous governing. Refer to document S-1570 for more detailed information on the control. AmpSentry Includes integral AmpSentry protection, which provides a full range of alternator protection functions that are matched to the alternator provided. Power management Control function provides battery monitoring and testing features and smart starting control system. Advanced control methodology Three phase sensing, full wave rectified voltage regulation, with a PWM output for stable operation with all load types. Communications interface Control comes standard with PCCNet and Modbus interface. Regulation compliant Prototype tested: UL, CSA and CE compliant. Service InPower PC-based service tool available for detailed diagnostics, setup, data logging and fault simulation. Easily upgradeable PowerCommand controls are designed with common control interfaces. Reliable design The control system is designed for reliable operation in harsh environment. Multi-language support Operator panel features Operator/display functions Displays paralleling breaker status Provides direct control of the paralleling breaker 320 x 240 pixels graphic LED backlight LCD Auto, manual, start, stop, fault reset and lamp test/panel lamp switches Alpha-numeric display with pushbuttons LED lamps indicating genset running, remote start, not in auto, common shutdown, common warning, manual run mode, auto mode and stop Paralleling control functions First Start Sensor TM system selects first genset to close to bus Phase lock loop synchronizer with voltage matching Sync check relay Isochronous kw and kvar load sharing Load govern control for utility paralleling Extended paralleling (peak shave/base load) Digital power transfer control, for use with a breaker pair to provide open transition, closed transition, ramping closed transition, peaking and base load functions Alternator data Line-to-Neutral and Line-to-Line AC volts 3-phase AC current Frequency kw, kvar, power factor kva (three phase and total) Engine data DC voltage Engine speed Lube oil pressure and temperature Coolant temperature Comprehensive FAE data (where applicable) Other data Genset model data Start attempts, starts, running hours, kw hours Load profile (operating hours at % load in 5% increments) Fault history Data logging and fault simulation (requires InPower) Standard control functions Digital governing Integrated digital electronic isochronous governor Temperature dynamic governing Digital voltage regulation Integrated digital electronic voltage regulator 3-phase, 4-wire Line-to-Line sensing Configurable torque matching AmpSentry AC protection AmpSentry protective relay Over current and short circuit shutdown Over current warning Single and three phase fault regulation Over and under voltage shutdown Over and under frequency shutdown Overload warning with alarm contact Reverse power and reverse Var shutdown Field overload shutdown Engine protection Battery voltage monitoring, protection and testing Overspeed shutdown Low oil pressure warning and shutdown High coolant temperature warning and shutdown Low coolant level warning or shutdown Low coolant temperature warning Fail to start (over crank) shutdown Fail to crank shutdown Cranking lockout Sensor failure indication Low fuel level warning or shutdown Fuel-in-rupture-basin warning or shutdown Full authority electronic engine protection Control functions Time delay start and cool down Real time clock for fault and event time stamping Exerciser clock and time of day start/stop Data logging Cycle cranking Load shed Configurable inputs and outputs (4) Remote emergency stop Options Auxiliary output relays (2)
Generator set weights and dimensions Dim A Dim B Dim C Set weight* dry kg (lbs) Set weight* wet kg (lbs) DQGAS 6381 (251) 2285 (90) 2468 (97) 12733 (28071) 13366 (29467) * Weights represent a set with standard features. See outline drawings for weights of other configurations. Aftertreatment weights and dimensions Aftertreatment model number* Genset model L (Length) W (minimum Width) H (Height) Weight of aftertreatment system (lbs) CA452* DQGAS 4651 (183) 3173 (125) 1260 (50) 8734 * Due to multiple configurations of the CA452 model, maximum weight of the model is shown. Note: Dimension and weights are subject to change. See submittal data for exact details. Codes and standards Codes or standards compliance may not be available with all model configurations consult factory for availability. The Prototype Test Support (PTS) program verifies the performance integrity of the generator set design. Cummins products bearing the PTS symbol meet the prototype test requirements of NFPA 110 for Level 1 systems. All low and medium voltage models are CSA certified to product class 4215-01. The Aftertreatment System bears the ETL Listed Mark as proof of conformity to NFPA 79, UL 61010C- 1, and CSA 22.2 No. 61010-1-12. This generator set is designed in facilities certified to ISO 9001 and manufactured in facilities certified to ISO 9001 or ISO 9002. U.S. EPA International Building Code The generator set is available listed to UL 2200 for all low voltage models, Stationary Engine Generator Assemblies. The PowerCommand control is Listed to UL 508 - Category NITW7 for U.S. and Canadian usage. Circuit breaker assemblies are UL 489 Listed for 100% continuous operation and also UL 869A Listed Service Equipment. Engine certified to US EPA Nonroad 40CFR1039 and Stationary (Emergency and Non-Emergency) US EPA NSPS, 60CFR Subpart IIII Tier4 Emissions Standards. The genset package is certified for seismic application in accordance with the following International Building Code: IBC2015. Warning: Back feed to a utility system can cause electrocution and/or property damage. Do not connect to any building s electrical system except through an approved device or after building main switch is open. For more information contact your local Cummins distributor or visit 2018 Cummins Inc. All rights reserved. Cummins is a registered trademark of Cummins Inc. PowerCommand, AmpSentry, InPower and Our energy working for you. are trademarks of Cummins Inc. Other company, product, or service names may be trademarks or service marks of others. Specifications are subject to change without notice. S-1675 (03/18)